diff options
Diffstat (limited to 'drivers/staging/vme/bridges')
| -rw-r--r-- | drivers/staging/vme/bridges/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/staging/vme/bridges/vme_ca91cx42.c | 48 | ||||
| -rw-r--r-- | drivers/staging/vme/bridges/vme_tsi148.c | 47 |
3 files changed, 62 insertions, 34 deletions
diff --git a/drivers/staging/vme/bridges/Kconfig b/drivers/staging/vme/bridges/Kconfig index 023cceba0c59..66c49f5d8db8 100644 --- a/drivers/staging/vme/bridges/Kconfig +++ b/drivers/staging/vme/bridges/Kconfig @@ -8,6 +8,7 @@ config VME_CA91CX42 config VME_TSI148 tristate "Tempe" + depends on VIRT_TO_BUS help If you say Y here you get support for the Tundra TSI148 VME bridge chip. diff --git a/drivers/staging/vme/bridges/vme_ca91cx42.c b/drivers/staging/vme/bridges/vme_ca91cx42.c index 1cf3e91db59d..807278485bbf 100644 --- a/drivers/staging/vme/bridges/vme_ca91cx42.c +++ b/drivers/staging/vme/bridges/vme_ca91cx42.c @@ -38,25 +38,30 @@ static int ca91cx42_probe(struct pci_dev *, const struct pci_device_id *); static void ca91cx42_remove(struct pci_dev *); static void __exit ca91cx42_exit(void); -struct vme_bridge *ca91cx42_bridge; -wait_queue_head_t dma_queue; -wait_queue_head_t iack_queue; -wait_queue_head_t lm_queue; -wait_queue_head_t mbox_queue; - -void (*lm_callback[4])(int); /* Called in interrupt handler, be careful! */ -void *crcsr_kernel; -dma_addr_t crcsr_bus; - -struct mutex vme_rmw; /* Only one RMW cycle at a time */ -struct mutex vme_int; /* - * Only one VME interrupt can be - * generated at a time, provide locking - */ +/* Module parameters */ +static int geoid; + +static struct vme_bridge *ca91cx42_bridge; +static wait_queue_head_t dma_queue; +static wait_queue_head_t iack_queue; +#if 0 +static wait_queue_head_t lm_queue; +#endif +static wait_queue_head_t mbox_queue; + +static void (*lm_callback[4])(int); /* Called in interrupt handler */ +static void *crcsr_kernel; +static dma_addr_t crcsr_bus; + +static struct mutex vme_rmw; /* Only one RMW cycle at a time */ +static struct mutex vme_int; /* + * Only one VME interrupt can be + * generated at a time, provide locking + */ static char driver_name[] = "vme_ca91cx42"; -static struct pci_device_id ca91cx42_ids[] = { +static const struct pci_device_id ca91cx42_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_TUNDRA, PCI_DEVICE_ID_TUNDRA_CA91C142) }, { }, }; @@ -881,8 +886,12 @@ int ca91cx42_slot_get(void) { u32 slot = 0; - slot = ioread32(ca91cx42_bridge->base + VCSR_BS); - slot = ((slot & CA91CX42_VCSR_BS_SLOT_M) >> 27); + if (!geoid) { + slot = ioread32(ca91cx42_bridge->base + VCSR_BS); + slot = ((slot & CA91CX42_VCSR_BS_SLOT_M) >> 27); + } else + slot = geoid; + return (int)slot; } @@ -1299,6 +1308,9 @@ static void __exit ca91cx42_exit(void) pci_unregister_driver(&ca91cx42_driver); } +MODULE_PARM_DESC(geoid, "Override geographical addressing"); +module_param(geoid, int, 0); + MODULE_DESCRIPTION("VME driver for the Tundra Universe II VME bridge"); MODULE_LICENSE("GPL"); diff --git a/drivers/staging/vme/bridges/vme_tsi148.c b/drivers/staging/vme/bridges/vme_tsi148.c index 89a7dccb934f..ed8297daf9ee 100644 --- a/drivers/staging/vme/bridges/vme_tsi148.c +++ b/drivers/staging/vme/bridges/vme_tsi148.c @@ -62,25 +62,26 @@ int tsi148_generate_irq(int, int); int tsi148_slot_get(void); /* Modue parameter */ -int err_chk = 0; +static int err_chk; +static int geoid; /* XXX These should all be in a per device structure */ -struct vme_bridge *tsi148_bridge; -wait_queue_head_t dma_queue[2]; -wait_queue_head_t iack_queue; -void (*lm_callback[4])(int); /* Called in interrupt handler, be careful! */ -void *crcsr_kernel; -dma_addr_t crcsr_bus; -struct vme_master_resource *flush_image; -struct mutex vme_rmw; /* Only one RMW cycle at a time */ -struct mutex vme_int; /* +static struct vme_bridge *tsi148_bridge; +static wait_queue_head_t dma_queue[2]; +static wait_queue_head_t iack_queue; +static void (*lm_callback[4])(int); /* Called in interrupt handler */ +static void *crcsr_kernel; +static dma_addr_t crcsr_bus; +static struct vme_master_resource *flush_image; +static struct mutex vme_rmw; /* Only one RMW cycle at a time */ +static struct mutex vme_int; /* * Only one VME interrupt can be * generated at a time, provide locking */ static char driver_name[] = "vme_tsi148"; -static struct pci_device_id tsi148_ids[] = { +static const struct pci_device_id tsi148_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_TUNDRA, PCI_DEVICE_ID_TUNDRA_TSI148) }, { }, }; @@ -2145,8 +2146,12 @@ int tsi148_slot_get(void) { u32 slot = 0; - slot = ioread32be(tsi148_bridge->base + TSI148_LCSR_VSTAT); - slot = slot & TSI148_LCSR_VSTAT_GA_M; + if (!geoid) { + slot = ioread32be(tsi148_bridge->base + TSI148_LCSR_VSTAT); + slot = slot & TSI148_LCSR_VSTAT_GA_M; + } else + slot = geoid; + return (int)slot; } @@ -2196,6 +2201,7 @@ static int tsi148_crcsr_init(struct pci_dev *pdev) vstat = tsi148_slot_get(); if (cbar != vstat) { + cbar = vstat; dev_info(&pdev->dev, "Setting CR/CSR offset\n"); iowrite32be(cbar<<3, tsi148_bridge->base + TSI148_CBAR); } @@ -2458,8 +2464,13 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id) data = ioread32be(tsi148_bridge->base + TSI148_LCSR_VSTAT); dev_info(&pdev->dev, "Board is%s the VME system controller\n", (data & TSI148_LCSR_VSTAT_SCONS)? "" : " not"); - dev_info(&pdev->dev, "VME geographical address is %d\n", - data & TSI148_LCSR_VSTAT_GA_M); + if (!geoid) { + dev_info(&pdev->dev, "VME geographical address is %d\n", + data & TSI148_LCSR_VSTAT_GA_M); + } else { + dev_info(&pdev->dev, "VME geographical address is set to %d\n", + geoid); + } dev_info(&pdev->dev, "VME Write and flush and error check is %s\n", err_chk ? "enabled" : "disabled"); @@ -2608,7 +2619,8 @@ static void tsi148_remove(struct pci_dev *pdev) /* resources are stored in link list */ list_for_each(pos, &(tsi148_bridge->master_resources)) { - master_image = list_entry(pos, struct vme_master_resource, list); + master_image = list_entry(pos, struct vme_master_resource, + list); list_del(pos); kfree(master_image); } @@ -2634,6 +2646,9 @@ static void __exit tsi148_exit(void) MODULE_PARM_DESC(err_chk, "Check for VME errors on reads and writes"); module_param(err_chk, bool, 0); +MODULE_PARM_DESC(geoid, "Override geographical addressing"); +module_param(geoid, int, 0); + MODULE_DESCRIPTION("VME driver for the Tundra Tempe VME bridge"); MODULE_LICENSE("GPL"); |